Air conditioner



FIG. 1 is a perspective view of front, bottom and right side of an air conditioner showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, the left side view being mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a perspective view in operating condition thereof.

The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an air conditioner, as shown and described. 